21030232022 has 16 divisors (see below), whose sum is σ = 33456510432. Its totient is φ = 9893051520.

The previous prime is 21030231983. The next prime is 21030232033. The reversal of 21030232022 is 22023203012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3744563 + ... + 3750174.

It is an arithmetic number, because the mean of its divisors is an integer number (2091031902).

Almost surely, 2^21030232022 is an apocalyptic number.

21030232022 is a deficient number, since it is larger than the sum of its proper divisors (12426278410).

21030232022 is a wasteful number, since it uses less digits than its factorization.

21030232022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494823.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21030232022 its reverse (22023203012), we get a palindrome (43053435034).

The spelling of 21030232022 in words is "twenty-one billion, thirty million, two hundred thirty-two thousand, twenty-two".